Table X-P
Points of the Outer Yff Triangle.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 8998 points version of 2015.
The "Discoverer" database version: October 2013.
Last update: 2016-04-29

      Kimberling Notation     Role  
  1     X(1) Incenter     X(1) Incenter of the Outer Yff Triangle  
  2     X(11) Feuerbach Point     X(119) of the Outer Yff Triangle  
  3     X(46) Prespector of the Excentral Triangle and the Orthic Triangle     X(40) Bevan Point of the Outer Yff Triangle  
  4     X(56) External Center of Similitude of Circumcircle and Incircle     X(3) Circumcenter of the Outer Yff Triangle  
  5     X(496) Harmonic Conjugate of the Johnson Midpoint     X(5) Nine-Point Center of the Outer Yff Triangle  
  6     X(613)     X(6) Symmedian Point of the Outer Yff Triangle  
  7     X(1210)     X(10) Spieker Center of the Outer Yff Triangle  
  8     X(1479) Center of the Outer Johnson-Yff Circle     X(4) Orthocenter of the Outer Yff Triangle  
  9     X(1795)     X(109) of the Outer Yff Triangle  
  10     X(1837)     X(355) Center of the Fuhrmann Circle of the Outer Yff Triangle  
  11     X(4299)     X(20) de Longchamps Point of the Outer Yff Triangle  
  12     X(8069)     X(55) Internal Center of Similitude of the Incircle and the Circumcircle of the Outer Yff Triangle